20146758880

素因数分解:

$2^5\times 5^1\times {\mathrm{1783}}^1\times {\mathrm{70621}}^1$

素因数の和:72419

約数の個数: 48

約数和(自身を含む): 47624086944

約数和(自身を除く): 27477328064

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 1783, 3566, 7132, 8915, 14264, 17830, 28528, 35660, 57056, 70621, 71320, 141242, 142640, 282484, 285280, 353105, 564968, 706210, 1129936, 1412420, 2259872, 2824840, 5649680, 11299360, 125917243, 251834486, 503668972, 629586215, 1007337944, 1259172430, 2014675888, 2518344860, 4029351776, 5036689720, 10073379440, 20146758880]

約数ペア:

[(1, 20146758880), (2, 10073379440), (4, 5036689720), (5, 4029351776), (8, 2518344860), (10, 2014675888), (16, 1259172430), (20, 1007337944), (32, 629586215), (40, 503668972), (80, 251834486), (160, 125917243), (1783, 11299360), (3566, 5649680), (7132, 2824840), (8915, 2259872), (14264, 1412420), (17830, 1129936), (28528, 706210), (35660, 564968), (57056, 353105), (70621, 285280), (71320, 282484), (141242, 142640)]